code: def create_mock_experiment():
      nnictl_experiment_config = Experiments()
      nnictl_experiment_config.add_experiment(
          "xOpEwA5w",
          8080,
          123456,
          "local",
          "example_sklearn-classification",
      )
      # mock process
      cmds = ["sleep", "3600000"]
      process = Popen(cmds, stdout=PIPE, stderr=STDOUT)
      nnictl_experiment_config.update_experiment(
          "xOpEwA5w", "pid", process.pid
      )
      nnictl_experiment_config.update_experiment(
          "xOpEwA5w", "port", 8080
      )
      nnictl_experiment_config.update_experiment(
          "xOpEwA5w", "webuiUrl", ["http://localhost:8080"]
      )
      print_green("expriment start success, experiment id: xOpEwA5w")
  
file_path: nni/test/ut/tools/nnictl/mock/experiment.py
imports: import argparse
  from pathlib import Path
  from subprocess import Popen, PIPE, STDOUT
  from nni.tools.nnictl.config_utils import Experiments
  from nni.tools.nnictl.common_utils import print_green
  from nni.tools.nnictl.command_utils import kill_command
  from nni.tools.nnictl.nnictl_utils import get_yml_content
label_desc: Use image node_id 1 for calling a global function with example usage: create_mock_experiment() without return types